asterisk users - Sep 2006 - pstn failback

On fonalities web page, i see they offer pstn failback as a feature of their
asterisk package. i've also heard before of failing back to a pri line if
your t1 voip line fails. my question is. in order to have pstn or pri failback,
dont you basically have to have all the equipment there on standby, a PRI line,
TDM cards, PRI/T1 cards, a bunch of digital or analong phones. it just seems
like a whole lot of hardware to be sitting there waiting for a disaster. unless
im just not understanding pstn/pri failback. can someone shed some light?
   
  also, if you've got a dedicated full t1 line for voice, and have a low
amount of users for that t1, is there really to worry about failing back to a
pstn? seeing how reliable a t1 is. is anyone out here using full voip telelphony
solution only?
   
  thanks.

 		
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stan ford wrote:
> On fonalities web page, i see they offer pstn failback as a feature of
their asterisk package. i've also heard before of failing back to a pri line
if your t1 voip line fails. my question is. in order to have pstn or pri
failback, dont you basically have to have all the equipment there on standby, a
PRI line, TDM cards, PRI/T1 cards, a bunch of digital or analong phones. it just
seems like a whole lot of hardware to be sitting there waiting for a disaster.
unless im just not understanding pstn/pri failback. can someone shed some light?
>    
>   also, if you've got a dedicated full t1 line for voice, and have a
low amount of users for that t1, is there really to worry about failing back to
a pstn? seeing how reliable a t1 is. is anyone out here using full voip
telelphony solution only?
>    
Having had our XO connection go down within a week or so of switching to
a PRI, I can see how having a fallback would be good.  It was down for
about 4 hours.  However, that was back in May or June and hasn't been
down since.  I couldn't justify having something on standby for our
business.  But, our clients can reach us by phone in the office or cell,
and we can easily make outgoing calls on our cellphones. Our type of
business is not really dependent on absolutely having the phones up 100%
of the time.

If you do get a fallback, get it from different providers.  If your T1
from provider X is down, chances are a PRI from provider X will be
following the same path and be down as well.
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While no voicemail/answering machine-detection method is perfect, the
app_amd Asterisk module works pretty well if you tune it to your
setup.

The two Asterisk-based GPL Dialers both have this capability:
GnuDialer - http://www.gnudialer.org/
VICIDIAL- http://astguiclient.sourceforge.net/vicidial.html

MATT---


On 9/29/06, Sam Tam <sam@netenable.co.uk> wrote:
> Can I find out whether it is possible to achieve this.
>
>
> "I would also like them to work with a dialler, cutting out
Voicemails, no
> answers and out of service calls giving them only calls that are live!!!!
>
> With the dialer Ideally I would input a group of numbers into some type of
> system (i.e excel) and it work through the numbers giving the advisors the
> live calls!!"
>
>
> Sam
>
>
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